-- --
-- S p e c --
-- --
--- Copyright (C) 2010-2019, Free Software Foundation, Inc. --
+-- Copyright (C) 2010-2020, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
--- or FITNESS FOR A PARTICULAR PURPOSE. --
--- --
--- As a special exception under Section 7 of GPL version 3, you are granted --
--- additional permissions described in the GCC Runtime Library Exception, --
--- version 3.1, as published by the Free Software Foundation. --
--- --
--- You should have received a copy of the GNU General Public License and --
--- a copy of the GCC Runtime Library Exception along with this program; --
--- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
--- <http://www.gnu.org/licenses/>. --
+-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
+-- for more details. You should have received a copy of the GNU General --
+-- Public License distributed with GNAT; see file COPYING3. If not, go to --
+-- http://www.gnu.org/licenses for a complete copy of the license. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- Adding New Aspects --
------------------------
--- In general, each aspect should have a corresponding pragma, so that the
--- newly developed functionality is available for Ada versions < Ada 2012.
+-- In general, each aspect should have a corresponding pragma or attribute, so
+-- that the newly developed functionality is available for old Ada versions.
-- When both are defined, it is convenient to first transform the aspect into
--- an equivalent pragma in Sem_Ch13.Analyze_Aspect_Specifications, and then
--- analyze the pragma in Sem_Prag.Analyze_Pragma.
+-- an equivalent pragma or attribute in Sem_Ch13.Analyze_Aspect_Specifications
+-- and then analyze that.
-- To add a new aspect, you need to do the following
-- treatments later.
-- 5. If the semantic analysis of expressions/names in the aspect should not
--- occur at the point the aspect is defined, add code in the adequate
+-- occur at the point the aspect is defined, add code in the appropriate
-- semantic analysis procedure for the aspect. For example, this is the
-- case for aspects Pre and Post on subprograms, which are preanalyzed
-- at the end of the declaration list to which the subprogram belongs,
(No_Aspect, -- Dummy entry for no aspect
Aspect_Abstract_State, -- GNAT
Aspect_Address,
+ Aspect_Aggregate,
Aspect_Alignment,
Aspect_Annotate, -- GNAT
Aspect_Async_Readers, -- GNAT
Aspect_Initial_Condition, -- GNAT
Aspect_Initializes, -- GNAT
Aspect_Input,
+ Aspect_Integer_Literal,
Aspect_Interrupt_Priority,
Aspect_Invariant, -- GNAT
Aspect_Iterator_Element,
Aspect_Link_Name,
Aspect_Linker_Section, -- GNAT
Aspect_Machine_Radix,
- Aspect_Max_Entry_Queue_Depth,
+ Aspect_Max_Entry_Queue_Depth, -- GNAT
+ Aspect_Max_Entry_Queue_Length,
Aspect_Max_Queue_Length, -- GNAT
Aspect_No_Caching, -- GNAT
Aspect_Object_Size, -- GNAT
Aspect_Predicate, -- GNAT
Aspect_Predicate_Failure,
Aspect_Priority,
+ Aspect_Put_Image,
Aspect_Read,
+ Aspect_Real_Literal,
Aspect_Refined_Depends, -- GNAT
Aspect_Refined_Global, -- GNAT
Aspect_Refined_Post, -- GNAT
Aspect_Refined_State, -- GNAT
Aspect_Relative_Deadline,
+ Aspect_Relaxed_Initialization, -- GNAT
Aspect_Scalar_Storage_Order, -- GNAT
Aspect_Secondary_Stack_Size, -- GNAT
Aspect_Simple_Storage_Pool, -- GNAT
Aspect_Size,
Aspect_Small,
Aspect_SPARK_Mode, -- GNAT
+ Aspect_Stable_Properties,
Aspect_Static_Predicate,
Aspect_Storage_Pool,
Aspect_Storage_Size,
Aspect_Stream_Size,
+ Aspect_String_Literal,
+ Aspect_Subprogram_Variant, -- GNAT
Aspect_Suppress,
Aspect_Synchronization,
Aspect_Test_Case, -- GNAT
Aspect_Atomic_Components,
Aspect_Disable_Controlled, -- GNAT
Aspect_Discard_Names,
+ Aspect_CUDA_Global, -- GNAT
+ Aspect_Exclusive_Functions,
Aspect_Export,
Aspect_Favor_Top_Level, -- GNAT
+ Aspect_Full_Access_Only,
Aspect_Independent,
Aspect_Independent_Components,
Aspect_Import,
Aspect_Remote_Access_Type, -- GNAT
Aspect_Shared, -- GNAT (equivalent to Atomic)
Aspect_Simple_Storage_Pool_Type, -- GNAT
+ Aspect_Static,
Aspect_Suppress_Debug_Info, -- GNAT
Aspect_Suppress_Initialization, -- GNAT
Aspect_Thread_Local_Storage, -- GNAT
Aspect_Unreferenced_Objects, -- GNAT
Aspect_Volatile,
Aspect_Volatile_Components,
- Aspect_Volatile_Full_Access); -- GNAT
+ Aspect_Volatile_Full_Access, -- GNAT
+ Aspect_Yield);
subtype Aspect_Id_Exclude_No_Aspect is
Aspect_Id range Aspect_Id'Succ (No_Aspect) .. Aspect_Id'Last;
-- Aspect_Id's excluding No_Aspect
+ subtype Nonoverridable_Aspect_Id is Aspect_Id with
+ Static_Predicate => Nonoverridable_Aspect_Id in
+ Aspect_Default_Iterator | Aspect_Iterator_Element |
+ Aspect_Implicit_Dereference | Aspect_Constant_Indexing |
+ Aspect_Variable_Indexing | Aspect_Aggregate |
+ Aspect_Max_Entry_Queue_Length
+ -- | Aspect_No_Controlled_Parts
+ -- ??? No_Controlled_Parts not yet in Aspect_Id enumeration
+ ; -- see RM 13.1.1(18.7)
+
-- The following array indicates aspects that accept 'Class
Class_Aspect_OK : constant array (Aspect_Id) of Boolean :=
- (Aspect_Input => True,
- Aspect_Invariant => True,
- Aspect_Output => True,
- Aspect_Pre => True,
- Aspect_Predicate => True,
- Aspect_Post => True,
- Aspect_Read => True,
- Aspect_Write => True,
- Aspect_Type_Invariant => True,
- others => False);
+ (Aspect_Input => True,
+ Aspect_Invariant => True,
+ Aspect_Output => True,
+ Aspect_Pre => True,
+ Aspect_Predicate => True,
+ Aspect_Post => True,
+ Aspect_Read => True,
+ Aspect_Write => True,
+ Aspect_Stable_Properties => True,
+ Aspect_Type_Invariant => True,
+ others => False);
-- The following array identifies all implementation defined aspects
Aspect_Invariant => True,
Aspect_Lock_Free => True,
Aspect_Max_Entry_Queue_Depth => True,
+ Aspect_Max_Entry_Queue_Length => True,
Aspect_Max_Queue_Length => True,
Aspect_Object_Size => True,
Aspect_Persistent_BSS => True,
Aspect_Predicate => True,
Aspect_Pure_Function => True,
+ Aspect_Relaxed_Initialization => True,
Aspect_Remote_Access_Type => True,
Aspect_Scalar_Storage_Order => True,
Aspect_Secondary_Stack_Size => True,
Aspect_Iterator_Element => True,
Aspect_Iterable => True,
Aspect_Variable_Indexing => True,
+ Aspect_Aggregate => True,
others => False);
-- The following array indicates aspects for which multiple occurrences of
(No_Aspect => Optional_Expression,
Aspect_Abstract_State => Expression,
Aspect_Address => Expression,
+ Aspect_Aggregate => Expression,
Aspect_Alignment => Expression,
Aspect_Annotate => Expression,
Aspect_Async_Readers => Optional_Expression,
Aspect_Initial_Condition => Expression,
Aspect_Initializes => Expression,
Aspect_Input => Name,
+ Aspect_Integer_Literal => Name,
Aspect_Interrupt_Priority => Expression,
Aspect_Invariant => Expression,
Aspect_Iterable => Expression,
Aspect_Linker_Section => Expression,
Aspect_Machine_Radix => Expression,
Aspect_Max_Entry_Queue_Depth => Expression,
+ Aspect_Max_Entry_Queue_Length => Expression,
Aspect_Max_Queue_Length => Expression,
Aspect_No_Caching => Optional_Expression,
Aspect_Object_Size => Expression,
Aspect_Predicate => Expression,
Aspect_Predicate_Failure => Expression,
Aspect_Priority => Expression,
+ Aspect_Put_Image => Name,
Aspect_Read => Name,
+ Aspect_Real_Literal => Name,
Aspect_Refined_Depends => Expression,
Aspect_Refined_Global => Expression,
Aspect_Refined_Post => Expression,
Aspect_Refined_State => Expression,
Aspect_Relative_Deadline => Expression,
+ Aspect_Relaxed_Initialization => Optional_Expression,
Aspect_Scalar_Storage_Order => Expression,
Aspect_Secondary_Stack_Size => Expression,
Aspect_Simple_Storage_Pool => Name,
Aspect_Size => Expression,
Aspect_Small => Expression,
Aspect_SPARK_Mode => Optional_Name,
+ Aspect_Stable_Properties => Expression,
Aspect_Static_Predicate => Expression,
Aspect_Storage_Pool => Name,
Aspect_Storage_Size => Expression,
Aspect_Stream_Size => Expression,
+ Aspect_String_Literal => Name,
+ Aspect_Subprogram_Variant => Expression,
Aspect_Suppress => Name,
Aspect_Synchronization => Name,
Aspect_Test_Case => Expression,
Boolean_Aspects => Optional_Expression,
Library_Unit_Aspects => Optional_Expression);
+ -- The following array indicates what aspects are representation aspects
+
+ Is_Representation_Aspect : constant array (Aspect_Id) of Boolean :=
+ (No_Aspect => False,
+ Aspect_Abstract_State => False,
+ Aspect_Address => True,
+ Aspect_Aggregate => False,
+ Aspect_Alignment => True,
+ Aspect_Annotate => False,
+ Aspect_Async_Readers => False,
+ Aspect_Async_Writers => False,
+ Aspect_Attach_Handler => False,
+ Aspect_Bit_Order => True,
+ Aspect_Component_Size => True,
+ Aspect_Constant_After_Elaboration => False,
+ Aspect_Constant_Indexing => False,
+ Aspect_Contract_Cases => False,
+ Aspect_Convention => True,
+ Aspect_CPU => False,
+ Aspect_CUDA_Global => False,
+ Aspect_Default_Component_Value => True,
+ Aspect_Default_Initial_Condition => False,
+ Aspect_Default_Iterator => False,
+ Aspect_Default_Storage_Pool => True,
+ Aspect_Default_Value => True,
+ Aspect_Depends => False,
+ Aspect_Dimension => False,
+ Aspect_Dimension_System => False,
+ Aspect_Dispatching_Domain => False,
+ Aspect_Dynamic_Predicate => False,
+ Aspect_Effective_Reads => False,
+ Aspect_Effective_Writes => False,
+ Aspect_Exclusive_Functions => False,
+ Aspect_Extensions_Visible => False,
+ Aspect_External_Name => False,
+ Aspect_External_Tag => False,
+ Aspect_Ghost => False,
+ Aspect_Global => False,
+ Aspect_Implicit_Dereference => False,
+ Aspect_Initial_Condition => False,
+ Aspect_Initializes => False,
+ Aspect_Input => False,
+ Aspect_Integer_Literal => False,
+ Aspect_Interrupt_Priority => False,
+ Aspect_Invariant => False,
+ Aspect_Iterable => False,
+ Aspect_Iterator_Element => False,
+ Aspect_Link_Name => True,
+ Aspect_Linker_Section => True,
+ Aspect_Machine_Radix => True,
+ Aspect_Max_Entry_Queue_Depth => False,
+ Aspect_Max_Entry_Queue_Length => False,
+ Aspect_Max_Queue_Length => False,
+ Aspect_No_Caching => False,
+ Aspect_Object_Size => True,
+ Aspect_Obsolescent => False,
+ Aspect_Output => False,
+ Aspect_Part_Of => False,
+ Aspect_Post => False,
+ Aspect_Postcondition => False,
+ Aspect_Pre => False,
+ Aspect_Precondition => False,
+ Aspect_Predicate => False,
+ Aspect_Predicate_Failure => False,
+ Aspect_Priority => False,
+ Aspect_Put_Image => False,
+ Aspect_Read => False,
+ Aspect_Real_Literal => False,
+ Aspect_Refined_Depends => False,
+ Aspect_Refined_Global => False,
+ Aspect_Refined_Post => False,
+ Aspect_Refined_State => False,
+ Aspect_Relative_Deadline => False,
+ Aspect_Relaxed_Initialization => False,
+ Aspect_Scalar_Storage_Order => True,
+ Aspect_Secondary_Stack_Size => True,
+ Aspect_Simple_Storage_Pool => True,
+ Aspect_Size => True,
+ Aspect_Small => True,
+ Aspect_SPARK_Mode => False,
+ Aspect_Stable_Properties => False,
+ Aspect_Static_Predicate => False,
+ Aspect_Storage_Pool => True,
+ Aspect_Storage_Size => True,
+ Aspect_Stream_Size => True,
+ Aspect_String_Literal => False,
+ Aspect_Subprogram_Variant => False,
+ Aspect_Suppress => False,
+ Aspect_Synchronization => False,
+ Aspect_Test_Case => False,
+ Aspect_Type_Invariant => False,
+ Aspect_Unimplemented => False,
+ Aspect_Unsuppress => False,
+ Aspect_Value_Size => True,
+ Aspect_Variable_Indexing => False,
+ Aspect_Volatile_Function => False,
+ Aspect_Warnings => False,
+ Aspect_Write => False,
+
+ Library_Unit_Aspects => False,
+
+ Aspect_Asynchronous => True,
+ Aspect_Atomic => True,
+ Aspect_Atomic_Components => True,
+ Aspect_Disable_Controlled => False,
+ Aspect_Discard_Names => True,
+ Aspect_Export => True,
+ Aspect_Favor_Top_Level => False,
+ Aspect_Full_Access_Only => True,
+ Aspect_Independent => True,
+ Aspect_Independent_Components => True,
+ Aspect_Import => True,
+ Aspect_Inline => False,
+ Aspect_Inline_Always => False,
+ Aspect_Interrupt_Handler => False,
+ Aspect_Lock_Free => False,
+ Aspect_No_Inline => False,
+ Aspect_No_Return => False,
+ Aspect_No_Tagged_Streams => False,
+ Aspect_Pack => True,
+ Aspect_Persistent_BSS => True,
+ Aspect_Preelaborable_Initialization => False,
+ Aspect_Pure_Function => False,
+ Aspect_Remote_Access_Type => False,
+ Aspect_Shared => True,
+ Aspect_Simple_Storage_Pool_Type => True,
+ Aspect_Static => False,
+ Aspect_Suppress_Debug_Info => False,
+ Aspect_Suppress_Initialization => False,
+ Aspect_Thread_Local_Storage => True,
+ Aspect_Unchecked_Union => True,
+ Aspect_Universal_Aliasing => False,
+ Aspect_Unmodified => False,
+ Aspect_Unreferenced => False,
+ Aspect_Unreferenced_Objects => False,
+ Aspect_Volatile => True,
+ Aspect_Volatile_Components => True,
+ Aspect_Volatile_Full_Access => True,
+ Aspect_Yield => False);
+
-----------------------------------------
-- Table Linking Names and Aspect_Id's --
-----------------------------------------
(No_Aspect => No_Name,
Aspect_Abstract_State => Name_Abstract_State,
Aspect_Address => Name_Address,
+ Aspect_Aggregate => Name_Aggregate,
Aspect_Alignment => Name_Alignment,
Aspect_All_Calls_Remote => Name_All_Calls_Remote,
Aspect_Annotate => Name_Annotate,
Aspect_Contract_Cases => Name_Contract_Cases,
Aspect_Convention => Name_Convention,
Aspect_CPU => Name_CPU,
+ Aspect_CUDA_Global => Name_CUDA_Global,
Aspect_Default_Component_Value => Name_Default_Component_Value,
Aspect_Default_Initial_Condition => Name_Default_Initial_Condition,
Aspect_Default_Iterator => Name_Default_Iterator,
Aspect_Effective_Reads => Name_Effective_Reads,
Aspect_Effective_Writes => Name_Effective_Writes,
Aspect_Elaborate_Body => Name_Elaborate_Body,
+ Aspect_Exclusive_Functions => Name_Exclusive_Functions,
Aspect_Export => Name_Export,
Aspect_Extensions_Visible => Name_Extensions_Visible,
Aspect_External_Name => Name_External_Name,
Aspect_External_Tag => Name_External_Tag,
Aspect_Favor_Top_Level => Name_Favor_Top_Level,
+ Aspect_Full_Access_Only => Name_Full_Access_Only,
Aspect_Ghost => Name_Ghost,
Aspect_Global => Name_Global,
Aspect_Implicit_Dereference => Name_Implicit_Dereference,
Aspect_Initial_Condition => Name_Initial_Condition,
Aspect_Initializes => Name_Initializes,
Aspect_Input => Name_Input,
+ Aspect_Integer_Literal => Name_Integer_Literal,
Aspect_Interrupt_Handler => Name_Interrupt_Handler,
Aspect_Interrupt_Priority => Name_Interrupt_Priority,
Aspect_Invariant => Name_Invariant,
Aspect_Lock_Free => Name_Lock_Free,
Aspect_Machine_Radix => Name_Machine_Radix,
Aspect_Max_Entry_Queue_Depth => Name_Max_Entry_Queue_Depth,
+ Aspect_Max_Entry_Queue_Length => Name_Max_Entry_Queue_Length,
Aspect_Max_Queue_Length => Name_Max_Queue_Length,
Aspect_No_Caching => Name_No_Caching,
Aspect_No_Elaboration_Code_All => Name_No_Elaboration_Code_All,
Aspect_Priority => Name_Priority,
Aspect_Pure => Name_Pure,
Aspect_Pure_Function => Name_Pure_Function,
+ Aspect_Put_Image => Name_Put_Image,
Aspect_Read => Name_Read,
+ Aspect_Real_Literal => Name_Real_Literal,
Aspect_Refined_Depends => Name_Refined_Depends,
Aspect_Refined_Global => Name_Refined_Global,
Aspect_Refined_Post => Name_Refined_Post,
Aspect_Refined_State => Name_Refined_State,
Aspect_Relative_Deadline => Name_Relative_Deadline,
+ Aspect_Relaxed_Initialization => Name_Relaxed_Initialization,
Aspect_Remote_Access_Type => Name_Remote_Access_Type,
Aspect_Remote_Call_Interface => Name_Remote_Call_Interface,
Aspect_Remote_Types => Name_Remote_Types,
Aspect_Size => Name_Size,
Aspect_Small => Name_Small,
Aspect_SPARK_Mode => Name_SPARK_Mode,
+ Aspect_Stable_Properties => Name_Stable_Properties,
+ Aspect_Static => Name_Static,
Aspect_Static_Predicate => Name_Static_Predicate,
Aspect_Storage_Pool => Name_Storage_Pool,
Aspect_Storage_Size => Name_Storage_Size,
Aspect_Stream_Size => Name_Stream_Size,
+ Aspect_String_Literal => Name_String_Literal,
+ Aspect_Subprogram_Variant => Name_Subprogram_Variant,
Aspect_Suppress => Name_Suppress,
Aspect_Suppress_Debug_Info => Name_Suppress_Debug_Info,
Aspect_Suppress_Initialization => Name_Suppress_Initialization,
Aspect_Volatile_Full_Access => Name_Volatile_Full_Access,
Aspect_Volatile_Function => Name_Volatile_Function,
Aspect_Warnings => Name_Warnings,
- Aspect_Write => Name_Write);
+ Aspect_Write => Name_Write,
+ Aspect_Yield => Name_Yield);
function Get_Aspect_Id (Name : Name_Id) return Aspect_Id;
pragma Inline (Get_Aspect_Id);
Aspect_Delay : constant array (Aspect_Id) of Delay_Type :=
(No_Aspect => Always_Delay,
Aspect_Address => Always_Delay,
+ Aspect_Aggregate => Always_Delay,
Aspect_All_Calls_Remote => Always_Delay,
Aspect_Asynchronous => Always_Delay,
Aspect_Attach_Handler => Always_Delay,
Aspect_Constant_Indexing => Always_Delay,
Aspect_CPU => Always_Delay,
+ Aspect_CUDA_Global => Always_Delay,
Aspect_Default_Iterator => Always_Delay,
Aspect_Default_Storage_Pool => Always_Delay,
Aspect_Default_Value => Always_Delay,
Aspect_Dispatching_Domain => Always_Delay,
Aspect_Dynamic_Predicate => Always_Delay,
Aspect_Elaborate_Body => Always_Delay,
+ Aspect_Exclusive_Functions => Always_Delay,
Aspect_External_Name => Always_Delay,
Aspect_External_Tag => Always_Delay,
Aspect_Favor_Top_Level => Always_Delay,
Aspect_Inline => Always_Delay,
Aspect_Inline_Always => Always_Delay,
Aspect_Input => Always_Delay,
+ Aspect_Integer_Literal => Always_Delay,
Aspect_Interrupt_Handler => Always_Delay,
Aspect_Interrupt_Priority => Always_Delay,
Aspect_Invariant => Always_Delay,
Aspect_Priority => Always_Delay,
Aspect_Pure => Always_Delay,
Aspect_Pure_Function => Always_Delay,
+ Aspect_Put_Image => Always_Delay,
Aspect_Read => Always_Delay,
+ Aspect_Real_Literal => Always_Delay,
Aspect_Relative_Deadline => Always_Delay,
Aspect_Remote_Access_Type => Always_Delay,
Aspect_Remote_Call_Interface => Always_Delay,
Aspect_Static_Predicate => Always_Delay,
Aspect_Storage_Pool => Always_Delay,
Aspect_Stream_Size => Always_Delay,
+ Aspect_String_Literal => Always_Delay,
Aspect_Suppress => Always_Delay,
Aspect_Suppress_Debug_Info => Always_Delay,
Aspect_Suppress_Initialization => Always_Delay,
Aspect_Initial_Condition => Never_Delay,
Aspect_Initializes => Never_Delay,
Aspect_Max_Entry_Queue_Depth => Never_Delay,
+ Aspect_Max_Entry_Queue_Length => Never_Delay,
Aspect_Max_Queue_Length => Never_Delay,
Aspect_No_Caching => Never_Delay,
Aspect_No_Elaboration_Code_All => Never_Delay,
Aspect_Refined_Global => Never_Delay,
Aspect_Refined_Post => Never_Delay,
Aspect_Refined_State => Never_Delay,
+ Aspect_Relaxed_Initialization => Never_Delay,
Aspect_SPARK_Mode => Never_Delay,
+ Aspect_Stable_Properties => Always_Delay,
+ Aspect_Static => Never_Delay,
+ Aspect_Subprogram_Variant => Never_Delay,
Aspect_Synchronization => Never_Delay,
Aspect_Test_Case => Never_Delay,
Aspect_Unimplemented => Never_Delay,
Aspect_Volatile_Function => Never_Delay,
Aspect_Warnings => Never_Delay,
+ Aspect_Yield => Never_Delay,
Aspect_Alignment => Rep_Aspect,
Aspect_Atomic => Rep_Aspect,
Aspect_Atomic_Components => Rep_Aspect,
Aspect_Bit_Order => Rep_Aspect,
Aspect_Component_Size => Rep_Aspect,
+ Aspect_Full_Access_Only => Rep_Aspect,
Aspect_Machine_Radix => Rep_Aspect,
Aspect_Object_Size => Rep_Aspect,
Aspect_Pack => Rep_Aspect,
-- aspect specification list, the routine has no effect. It is assumed that
-- both nodes can support aspects.
- function Find_Aspect (Id : Entity_Id; A : Aspect_Id) return Node_Id;
- -- Find the aspect specification of aspect A associated with entity I.
+ function Find_Aspect (Id : Entity_Id;
+ A : Aspect_Id;
+ Class_Present : Boolean := False) return Node_Id;
+ -- Find the aspect specification of aspect A (or A'Class if Class_Present)
+ -- associated with entity I.
-- Return Empty if Id does not have the requested aspect.
function Find_Value_Of_Aspect
- (Id : Entity_Id;
- A : Aspect_Id) return Node_Id;
- -- Find the value of aspect A associated with entity Id. Return Empty if
- -- Id does not have the requested aspect.
+ (Id : Entity_Id;
+ A : Aspect_Id;
+ Class_Present : Boolean := False) return Node_Id;
+ -- Find the value of aspect A (or A'Class, if Class_Present) associated
+ -- with entity Id. Return Empty if Id does not have the requested aspect.
- function Has_Aspect (Id : Entity_Id; A : Aspect_Id) return Boolean;
- -- Determine whether entity Id has aspect A
+ function Has_Aspect (Id : Entity_Id;
+ A : Aspect_Id;
+ Class_Present : Boolean := False) return Boolean;
+ -- Determine whether entity Id has aspect A (or A'Class, if Class_Present)
procedure Move_Aspects (From : Node_Id; To : Node_Id);
-- Relocate the aspect specifications of node From to node To. On entry it
-- node that has its Has_Aspects flag set True on entry, or with L being an
-- empty list or No_List.
- procedure Tree_Read;
- -- Reads contents of Aspect_Specifications hash table from the tree file
-
- procedure Tree_Write;
- -- Writes contents of Aspect_Specifications hash table to the tree file
-
end Aspects;
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